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Source View: redirect_canonical

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Line Code
390           if ( !function_exists('lowercase_octets') ) {
391                function lowercase_octets($matches) {
392                     return strtolower( $matches[0] );
393                }
394           }
395           $requested_url = preg_replace_callback('|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url);
396      }
397
398      // Note that you can use the "redirect_canonical" filter to cancel a canonical redirect for whatever reason by returning FALSE
399      $redirect_url = apply_filters('redirect_canonical', $redirect_url, $requested_url);
400
401      if ( !$redirect_url || $redirect_url == $requested_url ) // yes, again -- in case the filter aborted the request
402           return false;
403
404      if ( $do_redirect ) {
405           // protect against chained redirects
406           if ( !redirect_canonical($redirect_url, false) ) {
407                wp_redirect($redirect_url, 301);
408                exit();